Question

giúp vs

Answer 1

`3x^2+2xy=x(3x+2y)`

`x^2 -xy + 5x -5y= x(x-y)+5(x-y)=(x-y)(x+5)`

`x^2 -xy+x-y=x(x-y)+(x-y)=(x-y)(x+1)`

`x^3 -2x^2 +x= x(x^2 - 2x +1)=x(x-1)^2`